555385583555 has 32 divisors (see below), whose sum is σ = 759887792640. Its totient is φ = 385730484480.

The previous prime is 555385583539. The next prime is 555385583569.

555385583555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555385583555 - 2⁴ = 555385583539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428399 + ... + 1137671.

It is an arithmetic number, because the mean of its divisors is an integer number (23746493520).

Almost surely, 2^555385583555 is an apocalyptic number.

555385583555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555385583555 is a deficient number, since it is larger than the sum of its proper divisors (204502209085).

555385583555 is a wasteful number, since it uses less digits than its factorization.

555385583555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709931.

The product of its digits is 225000000, while the sum is 62.

The spelling of 555385583555 in words is "five hundred fifty-five billion, three hundred eighty-five million, five hundred eighty-three thousand, five hundred fifty-five".